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# Menggunakan Penelusuran Transaksi dengan CloudFormation
<a name="CloudWatch-Transaction-Search-Cloudformation"></a>

Anda dapat menggunakan CloudFormation untuk mengaktifkan dan mengkonfigurasi Pencarian Transaksi X-Ray.

**catatan**  
Untuk membuat CloudFormation tumpukan, lihat [Membuat tumpukan pertama Anda](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/gettingstarted.walkthrough.html).

## Prasyarat
<a name="prerequsites-transaction-search"></a>
+ Anda harus memiliki akses ke AWS akun dengan pengguna IAM atau peran yang memiliki izin untuk menggunakan Amazon EC2, Amazon S3 CloudFormation, atau memiliki akses pengguna administratif.
+ Anda harus memiliki Virtual Private Cloud (VPC) yang memiliki akses ke internet. Agar semuanya tetap sederhana, Anda dapat menggunakan VPC default yang disertakan dengan akun Anda. VPC default dan subnet default cukup untuk konfigurasi ini.
+ Pastikan Penelusuran Transaksi dinonaktifkan sebelum Anda mengaktifkan penggunaan AWS CDK atau CloudFormation.

## Mengaktifkan Pencarian Transaksi
<a name="enabling-transaction-search-CFN"></a>

Untuk mengaktifkan Transaction Search menggunakan CloudFormation, Anda perlu membuat dua sumber berikut.
+ `AWS::Logs::ResourcePolicy`
+ `AWS::XRay::TransactionSearchConfig`

1. **Buat AWS::Logs::ResourcePolicy** - Buat kebijakan sumber daya yang memungkinkan X-Ray mengirim jejak ke CloudWatch Log

   **YAML**

   ```
   Resources:
     LogsResourcePolicy:
       Type: AWS::Logs::ResourcePolicy
       Properties:
         PolicyName: TransactionSearchAccess
         PolicyDocument: !Sub >
           {
             "Version": "2012-10-17",		 	 	 
             "Statement": [
               {
                 "Sid": "TransactionSearchXRayAccess",
                 "Effect": "Allow",
                 "Principal": {
                   "Service": "xray.amazonaws.com"
                 },
                 "Action": "logs:PutLogEvents",
                 "Resource": [
                   "arn:${AWS::Partition}:logs:${AWS::Region}:${AWS::AccountId}:log-group:aws/spans:*",
                   "arn:${AWS::Partition}:logs:${AWS::Region}:${AWS::AccountId}:log-group:/aws/application-signals/data:*"
                 ],
                 "Condition": {
                   "ArnLike": {
                     "aws:SourceArn": "arn:${AWS::Partition}:xray:${AWS::Region}:${AWS::AccountId}:*"
                   },
                   "StringEquals": {
                     "aws:SourceAccount": "${AWS::AccountId}"
                   }
                 }
               }
             ]
           }
   ```

   **JSON**

   ```
   {
       "Resources": {
           "LogsResourcePolicy": {
               "Type": "AWS::Logs::ResourcePolicy",
               "Properties": {
                   "PolicyName": "TransactionSearchAccess",
                   "PolicyDocument": {
                       "Fn::Sub": "{\n  \"Version\": \"2012-10-17\",		 	 	 \n  \"Statement\": [\n    {\n      \"Sid\": \"TransactionSearchXRayAccess\",\n      \"Effect\": \"Allow\",\n      \"Principal\": {\n        \"Service\": \"xray.amazonaws.com\"\n      },\n      \"Action\": \"logs:PutLogEvents\",\n      \"Resource\": [\n        \"arn:${AWS::Partition}:logs:${AWS::Region}:${AWS::AccountId}:log-group:aws/spans:*\",\n        \"arn:${AWS::Partition}:logs:${AWS::Region}:${AWS::AccountId}:log-group:/aws/application-signals/data:*\"\n      ],\n      \"Condition\": {\n        \"ArnLike\": {\n          \"aws:SourceArn\": \"arn:${AWS::Partition}:xray:${AWS::Region}:${AWS::AccountId}:*\"\n        },\n        \"StringEquals\": {\n          \"aws:SourceAccount\": \"${AWS::AccountId}\"\n        }\n      }\n    }\n  ]\n}"
                   }
               }
           }
       }
   }
   ```

1. **Buat dan Konfigurasi AWS::XRay::TransactionSearchConfig** — Buat `TransactionSearchConfig` sumber daya untuk mengaktifkan Pencarian Transaksi.

   **YAML**

   ```
   Resources:
     XRayTransactionSearchConfig:
       Type: AWS::XRay::TransactionSearchConfig
   ```

   **JSON**

   ```
   {
     "Resources": {
       "XRayTransactionSearchConfig": {
         "Type": "AWS::XRay::TransactionSearchConfig"
       }
     }
   }
   ```

1. (Opsional) Anda dapat mengatur `IndexingPercentage` properti untuk mengontrol persentase rentang yang akan diindeks.

   **YAML**

   ```
   Resources:
     XRayTransactionSearchConfig:
       Type: AWS::XRay::TransactionSearchConfig
       Properties:
         IndexingPercentage: 50
   ```

   **JSON**

   ```
   {
     "Resources": {
       "XRayTransactionSearchConfig": {
         "Type": "AWS::XRay::TransactionSearchConfig",
         "Properties": {
           "IndexingPercentage": 20
         }
       }
     }
   }
   ```

    IndexingPercentage Nilai dapat diatur antara 0 dan 100.

## Contoh templat
<a name="transaction-search-CFN-examples"></a>

Contoh berikut mencakup kebijakan sumber daya dan TransactionSearchConfig.

**YAML**

```
Resources:
  LogsResourcePolicy:
    Type: AWS::Logs::ResourcePolicy
    Properties:
      PolicyName: TransactionSearchAccess
      PolicyDocument: !Sub >
        {
          "Version": "2012-10-17",		 	 	 
          "Statement": [
            {
              "Sid": "TransactionSearchXRayAccess",
              "Effect": "Allow",
              "Principal": {
                "Service": "xray.amazonaws.com"
              },
              "Action": "logs:PutLogEvents",
              "Resource": [
                "arn:${AWS::Partition}:logs:${AWS::Region}:${AWS::AccountId}:log-group:aws/spans:*",
                "arn:${AWS::Partition}:logs:${AWS::Region}:${AWS::AccountId}:log-group:/aws/application-signals/data:*"
              ],
              "Condition": {
                "ArnLike": {
                  "aws:SourceArn": "arn:${AWS::Partition}:xray:${AWS::Region}:${AWS::AccountId}:*"
                },
                "StringEquals": {
                  "aws:SourceAccount": "${AWS::AccountId}"
                }
              }
            }
          ]
        }

  XRayTransactionSearchConfig:
    Type: AWS::XRay::TransactionSearchConfig
    Properties:
      IndexingPercentage: 10
```

**JSON**

```
{
    "Resources": {
        "LogsResourcePolicy": {
            "Type": "AWS::Logs::ResourcePolicy",
            "Properties": {
                "PolicyName": "TransactionSearchAccess",
                "PolicyDocument": {
                    "Fn::Sub": "{\n  \"Version\": \"2012-10-17\",		 	 	 \n  \"Statement\": [\n    {\n      \"Sid\": \"TransactionSearchXRayAccess\",\n      \"Effect\": \"Allow\",\n      \"Principal\": {\n        \"Service\": \"xray.amazonaws.com\"\n      },\n      \"Action\": \"logs:PutLogEvents\",\n      \"Resource\": [\n        \"arn:${AWS::Partition}:logs:${AWS::Region}:${AWS::AccountId}:log-group:aws/spans:*\",\n        \"arn:${AWS::Partition}:logs:${AWS::Region}:${AWS::AccountId}:log-group:/aws/application-signals/data:*\"\n      ],\n      \"Condition\": {\n        \"ArnLike\": {\n          \"aws:SourceArn\": \"arn:${AWS::Partition}:xray:${AWS::Region}:${AWS::AccountId}:*\"\n        },\n        \"StringEquals\": {\n          \"aws:SourceAccount\": \"${AWS::AccountId}\"\n        }\n      }\n    }\n  ]\n}"
                }
            }
        },
        "XRayTransactionSearchConfig": {
            "Type": "AWS::XRay::TransactionSearchConfig",
            "Properties": {
                "IndexingPercentage": 20
            }
        }
    }
}
```

Berikut adalah contoh menggunakan AWS CDK in TypeScript.

**CDK**

```
import * as cdk from '@aws-cdk/core';
import * as logs from '@aws-cdk/aws-logs';
import * as xray from '@aws-cdk/aws-xray';

export class XRayTransactionSearchStack extends cdk.Stack {
  constructor(scope: cdk.Construct, id: string, props?: cdk.StackProps) {
    super(scope, id, props);

    // Create the resource policy
    const transactionSearchAccess = new logs.CfnResourcePolicy(this, 'XRayLogResourcePolicy', {
      policyName: 'TransactionSearchAccess',
      policyDocument: JSON.stringify({
        Version: '2012-10-17',		 	 	 
        Statement: [
          {
            Sid: 'TransactionSearchXRayAccess',
            Effect: 'Allow',
            Principal: {
              Service: 'xray.amazonaws.com',
            },
            Action: 'logs:PutLogEvents',
            Resource: [
              `arn:${this.partition}:logs:${this.region}:${this.account}:log-group:aws/spans:*`,
              `arn:${this.partition}:logs:${this.region}:${this.account}:log-group:/aws/application-signals/data:*`,
            ],
            Condition: {
              ArnLike: {
                'aws:SourceArn': `arn:${this.partition}:xray:${this.region}:${this.account}:*`,
              },
              StringEquals: {
                'aws:SourceAccount': this.account,
              },
            },
          },
        ],
      }),
    });

    // Create the TransactionSearchConfig with dependency
    const transactionSearchConfig = new xray.CfnTransactionSearchConfig(this, 'XRayTransactionSearchConfig', {
      indexingPercentage: 10,
    });

    // Add the dependency to ensure Resource Policy is created first
    transactionSearchConfig.addDependsOn(transactionSearchAccess);
  }
}
```

## Memverifikasi konfigurasi
<a name="transaction-search-verify"></a>

Setelah menerapkan CloudFormation tumpukan Anda, Anda dapat memverifikasi konfigurasi menggunakan. AWS CLI

**aws xray get-trace-segment-destination**

Konfigurasi yang berhasil akan mengembalikan yang berikut ini.

```
{
    "Destination": "CloudWatchLogs",
    "Status": "ACTIVE"
}
```